t/t7606-merge-custom.sh

   1 #!/bin/sh
   2
   3 test_description="git merge
   4
   5 Testing a custom strategy.
   6
   7 *   (HEAD, main) Merge commit 'c3'
   8 |\
   9 | * (tag: c3) c3
  10 * | (tag: c1) c1
  11 |/
  12 | * tag: c2) c2
  13 |/
  14 * (tag: c0) c0
  15 "
  16
  17 TEST_PASSES_SANITIZE_LEAK=true
  18 . ./test-lib.sh
  19
  20 test_expect_success 'set up custom strategy' '
  21         cat >git-merge-theirs <<-EOF &&
  22         #!$SHELL_PATH
  23         eval git read-tree --reset -u \\\$\$#
  24         EOF
  25
  26         chmod +x git-merge-theirs &&
  27         PATH=.:$PATH &&
  28         export PATH
  29 '
  30
  31 test_expect_success 'setup' '
  32         test_commit c0 c0.c &&
  33         test_commit c1 c1.c &&
  34         git reset --keep c0 &&
  35         echo c1c1 >c1.c &&
  36         git add c1.c &&
  37         test_commit c2 c2.c &&
  38         git reset --keep c0 &&
  39         test_commit c3 c3.c
  40 '
  41
  42 test_expect_success 'merge c2 with a custom strategy' '
  43         git reset --hard c1 &&
  44
  45         git rev-parse c1 >head.old &&
  46         git rev-parse c2 >second-parent.expected &&
  47         git rev-parse c2^{tree} >tree.expected &&
  48         git merge -s theirs c2 &&
  49
  50         git rev-parse HEAD >head.new &&
  51         git rev-parse HEAD^1 >first-parent &&
  52         git rev-parse HEAD^2 >second-parent &&
  53         git rev-parse HEAD^{tree} >tree &&
  54         git update-index --refresh &&
  55         git diff --exit-code &&
  56         git diff --exit-code c2 HEAD &&
  57         git diff --exit-code c2 &&
  58
  59         ! test_cmp head.old head.new &&
  60         test_cmp head.old first-parent &&
  61         test_cmp second-parent.expected second-parent &&
  62         test_cmp tree.expected tree &&
  63         test -f c0.c &&
  64         grep c1c1 c1.c &&
  65         test -f c2.c
  66 '
  67
  68 test_expect_success 'trivial merge with custom strategy' '
  69         git reset --hard c1 &&
  70
  71         git rev-parse c1 >head.old &&
  72         git rev-parse c3 >second-parent.expected &&
  73         git rev-parse c3^{tree} >tree.expected &&
  74         git merge -s theirs c3 &&
  75
  76         git rev-parse HEAD >head.new &&
  77         git rev-parse HEAD^1 >first-parent &&
  78         git rev-parse HEAD^2 >second-parent &&
  79         git rev-parse HEAD^{tree} >tree &&
  80         git update-index --refresh &&
  81         git diff --exit-code &&
  82         git diff --exit-code c3 HEAD &&
  83         git diff --exit-code c3 &&
  84
  85         ! test_cmp head.old head.new &&
  86         test_cmp head.old first-parent &&
  87         test_cmp second-parent.expected second-parent &&
  88         test_cmp tree.expected tree &&
  89         test -f c0.c &&
  90         ! test -e c1.c &&
  91         test -f c3.c
  92 '
  93
  94 test_done